CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20050161156
Observation time: 01/16/2005 16.49773 1156 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
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Wave speed and Mach numbers
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Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2005
Fractional day of year 16.497726
Arrival time of shock [seconds of day] 43003.5 ± 20.0
Shock type NN
Electron data availability 0
X GSE location of spacecraft [Re] 256.950
Y GSE location of spacecraft [Re] 6.048
Z GSE location of spacecraft [Re] 19.410
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0150
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0260
Minimum chisq/dof for RH8,RH9,RH10 3.46, 3.78, 4.02
Event added to database
Mon Sep 23 15:40:11 2013
Event last processed
Tue Sep 24 15:46:35 2013
Method selected
RH08
Propagation delay to Earth [minutes]
47.054 ± 0.413

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -547.8 ± 8.2 -573.0 ± 2.9
Vy GSE [km/s] -36.4 ± 7.2 4.4 ± 2.4
Vz GSE [km/s] 13.0 ± 6.9 12.2 ± 3.7
Wi [km/s] 45.5 ± 1.9 43.4 ± 3.5
We [km/s] 1437.7 ± 58.8 1371.2 ± 112.0
Ni [n/cc] 6.3 ± 0.2 13.8 ± 0.6
Bx GSE [nT] 3.6 ± 0.6 -1.0 ± 1.4
By GSE [nT] -6.8 ± 0.4 1.4 ± 2.6
Bz GSE [nT] 0.3 ± 1.0 1.6 ± 1.2
Plasma Beta
0.449 ± 0.454
10.636 ± 3.909
Sound Speed [km/s]
58.69 ± 2.40
55.98 ± 4.57
Alfven Speed [km/s]
67.96 ± 1.73
20.92 ± 8.32

Best values of shock front normal for each method (About, Top)

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.912 ± 0.393 -0.292 ± 0.761 0.288 ± 0.280 16.72 ± 64.93 197.75 ± 47.42
VC -0.516 ± 0.078 0.856 ± 0.047 0.006 ± 0.006 0.33 ± 9.38 121.09 ± 5.25
MX1 -0.775 ± 0.335 -0.525 ± 0.378 0.352 ± 0.336 20.58 ± 47.83 214.10 ± 25.15
MX2 -0.982 ± 0.141 -0.187 ± 0.708 -0.036 ± 0.036 -2.06 ± 65.98 190.78 ± 41.31
MX3 -0.896 ± 0.304 -0.347 ± 0.491 -0.278 ± 0.270 -16.13 ± 53.10 201.18 ± 30.81
RH08 -0.885 ± 0.009 -0.462 ± 0.016 -0.061 ± 0.061 -3.52 ± 2.24 207.58 ± 1.04
RH09 -0.877 ± 0.020 -0.478 ± 0.036 -0.039 ± 0.039 -2.24 ± 4.23 208.58 ± 2.36
RH10 -0.885 ± 0.025 -0.462 ± 0.048 -0.050 ± 0.050 -2.88 ± 4.22 207.58 ± 3.08
Average -0.841 -0.237 0.023 1.350 193.580
Median -0.885 -0.347 -0.036 -2.056 207.577
Deviation 0.143 0.456 0.203 11.826 30.179

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 81.0 ± 4.3 534.0 ± 1.1 2.20 ± 0.15
VC 9.1 ± 1.4 339.7 ± 1.5 2.20 ± 0.15
MX1 83.5 ± 4.4 444.7 ± 0.9 2.20 ± 0.15
MX2 72.9 ± 5.2 575.7 ± 1.1 2.20 ± 0.15
MX3 83.0 ± 6.2 514.2 ± 0.9 2.20 ± 0.15
RH08 89.5 ± 5.3 507.1 ± 0.8 2.20 ± 0.15
RH09 89.4 ± 5.3 502.3 ± 0.8 2.20 ± 0.15
RH10 89.6 ± 5.3 507.5 ± 5.3 2.20 ± 0.15
Average 74.8 490.7 2.20
Median 83.5 507.5 2.20
Deviation 27.1 71.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 20.0 ± 4.7 7.0 ± 0.1 10.6 ± 0.3 89.6 ± 1.4 2.87 ± 0.64 0.22 ± 0.05
VC 87.9 ± 10.0 56.2 ± 1.8 67.1 ± 1.7 70.1 ± 1.3 1.56 ± 0.14 1.25 ± 0.14
MX1 -3.6 ± 3.6 5.0 ± 0.1 7.7 ± 0.2 89.7 ± 1.4 -0.72 ± 0.71 -0.04 ± 0.04
MX2 31.6 ± 7.1 13.2 ± 0.3 19.9 ± 0.5 88.9 ± 1.4 2.40 ± 0.51 0.35 ± 0.08
MX3 14.5 ± 6.8 5.4 ± 0.1 8.3 ± 0.2 89.7 ± 1.4 2.65 ± 1.20 0.16 ± 0.07
RH8 6.4 ± 5.0 0.4 ± 0.0 0.5 ± 0.0 89.8 ± 1.4 17.92 ± 13.71 0.07 ± 0.05
RH9 4.8 ± 4.8 0.5 ± 0.0 0.7 ± 0.0 89.8 ± 1.4 10.44 ± 10.37 0.05 ± 0.05
RH10 6.4 ± 4.9 0.3 ± 0.0 0.5 ± 0.0 89.8 ± 1.4 18.82 ± 14.34 0.07 ± 0.05
Average 21.0 11.0 14.4 87.2 7.0 0.3
Median 14.5 5.4 8.3 89.7 2.9 0.2
Deviation 29.1 18.8 22.3 6.9 7.7 0.4

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 9.1 ± 3.3 3.0 ± 1.1 3.3 ± 1.3 60.3 ± 2.8 4.40 ± 4.60 0.15 ± 0.06
VC 40.0 ± 3.0 20.6 ± 8.2 20.7 ± 8.2 56.1 ± 4.5 2.53 ± 1.88 0.72 ± 0.07
MX1 -1.5 ± 3.1 2.2 ± 0.8 2.4 ± 0.9 60.3 ± 2.8 -0.05 ± 2.29 -0.02 ± 0.05
MX2 14.4 ± 2.6 5.6 ± 2.0 6.1 ± 2.4 60.1 ± 2.8 3.45 ± 3.03 0.24 ± 0.05
MX3 5.8 ± 1.8 2.3 ± 0.8 2.6 ± 1.0 60.3 ± 2.8 3.56 ± 3.77 0.10 ± 0.03
RH8 2.9 ± 2.2 0.2 ± 0.1 0.2 ± 0.1 60.4 ± 2.8 32.46 ± 47.66 0.05 ± 0.04
RH9 2.1 ± 2.2 0.2 ± 0.1 0.2 ± 0.1 60.4 ± 2.8 20.49 ± 34.55 0.04 ± 0.04
RH10 2.9 ± 2.2 0.1 ± 0.1 0.2 ± 0.1 60.4 ± 2.8 34.16 ± 50.50 0.05 ± 0.04
Average 9.5 4.3 4.4 59.8 12.6 0.2
Median 5.8 2.3 2.6 60.3 4.4 0.1
Deviation 13.2 6.8 6.9 1.5 14.2 0.2

Survey interval (About, Top)
Survey of solar wind interval
Selected data (About, Top)
Key plasma parameters
Survey
Velocity
V

Magnetic Field
B


Simple Methods (About, Top)
Simple methods
Rankine Chi^2 Contour (About, Top)

Chisq


Shock Speed (About, Top)
Shock Speed

Theta Bn (About, Top)
Theta Bn

Mach Numbers (About, Top)

Upstream wave speeds
Upstream Mach numbers
Downsteam wave speeds
Downstream mach numbers
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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